Metal ducts for heating, ventilation and cooling (hvac) systems; metal vent cover for HVAC ducts

Electric controls for heating, ventilation and cooling (hvac) systems; thermostats; hvac components, namely, whips in the nature of electrical wires with a protective sheath, and disconnects in the nature of shut-off switches for the electrical systems of hvac installations

Air conditioning equipment, namely, air conditioning apparatus; heating, ventilation and cooling (HVAC) products, namely, HVAC units; air conditioners; furnaces; heating boilers; hot water heaters; power vents in the nature of motorized blowers for HVAC ducts; power venters in the nature of motorized hot air blowers for venting combustion byproducts of heating installations; HVAC components, namely, condensate pumps specially adapted for use with HVAC units, condenser pads specially adapted for HVAC condenser units, vibration pads specially adapted for furnaces, leveling blocks specially adapted for furnaces, condenser covers specially adapted for HVAC condenser units, air cleaners in the nature of air filtration installations, line sets in the nature of copper tubing specially adapted for use with HVAC systems, furnace boilers, furnaces, heat pumps, circulators, radiators for heating, hot water coils as parts of heating and cooling installations, heat exchangers not being parts of machines, evaporator for air conditioners, evaporator coils as parts of heating and cooling installations, air handlers, ventilating exhaust fans, dampers, namely, control devices used in air ducts to regulate the flow of air; air filters for HVAC systems; HVAC supplies, namely, fibrous air filter media for use in the purification of air; humidifier water panels as parts of humidifiers; hydronic equipment, namely, hydronic HVAC units; hydronic heating boilers